You can write to Dakota via her agent or manager.

 

Agent

Dakota Fanning
Osbrink Talent Agency
4343 Lankershim Blvd. Suite 100
Universal City, CA 91602
USA

or Manager

Dakota Fanning

 c/o The Booh Schut Company,

11350 Ventura Blvd., Suite #200,

Studio City, CA 91604